  enum H264Profile {
    BASELINE,
    MAIN,
    HIGH
  }

  enum EncoderRCModes {
    QUALITY_PRIORITY,
    BITRATE_PRIORITY
  }

  enum BitrateAdjustMode {
    Auto,
    Manual,
    Disable
  }

  enum YuvFilterMode {
    None,
    Linear,
    Bilinear,
    Box
  }

  enum ENCODING_ORIENTATION {
    PORT,
    LAND
  }